Patent application number | Description | Published |
20090116887 | APPARATUS AND METHOD FOR CLEANING RESIDUAL TONER FROM DRUMS IN AN IMAGE FORMING APPARATUS - An apparatus and method for cleaning a plurality of drums in an image forming apparatus includes applying a first bias to each of a plurality of disturbing members, each disturbing member associated with a corresponding drum of a plurality of drums. While performing an image forming operation wherein at least one of the plurality of drums is not use, the bias is changed of a disturbing member corresponding to at least one of the plurality of drums not used in performing the image forming operation from the first bias to a second bias different from the first bias. | 05-07-2009 |
20090129792 | IMAGE FORMING APPARATUS - According to an embodiment of the invention, degradation of carrier in a case is detected from the number of rotations of a developing roller. A predetermined quantity of carrier is replenished every time the developing roller reaches a predetermined number of rotations. An excess developer caused by an increase in bulk through carrier replenishment is discharged from a developer discharge port. The degraded old carrier in the case is replaced by new carrier little by little. | 05-21-2009 |
20090148192 | DEVELOPING DEVICE - In an embodiment, a reducing plate that dams up a part of a developer scraped up by a blade is provided. The reducing plate suppresses swell of the developer held up by a discharge mixer from fluctuating according to the rotation of the blade. Fluctuation in an excess developer discharged from a discharge port is suppressed and replace a deteriorated carrier in a development container with a new carrier little by little. | 06-11-2009 |
20090148193 | DEVELOPING DEVICE - In an embodiment, a contact pivoting plate, which comes into contact with a developer swelled by a discharge mixer, is provided in a case. The contact pivoting plate is pivoted according to a detection result of a temperature and humidity sensor to change the magnitude of resistance by the contact pivoting plate with respect to a flow of the developer. The height of the swell of the developer is suppressed from fluctuating according to an environmental change. The fluctuation in an amount of an excess developer discharged from a discharge port is suppressed to replace a deteriorated carrier in a development container with a new carrier little by little. | 06-11-2009 |
20090169275 | TRANSFER MEMBER IN IMAGE FORMING APPARATUS AND IMAGE FORMING APPARATUS - The transfer member in an image forming apparatus according to an embodiment of the invention is a transfer member in an image forming apparatus for transferring a toner image obtained by developing an electrostatic latent image formed on an image carrier onto a material to be transferred, wherein the transfer member includes a base material having thereon a surface layer for temporarily holding on the surface thereof the toner image to be transferred onto the material to be transferred and comprising a resin containing a diamond fine particle in the range of from about 0.01% to about 40%. | 07-02-2009 |
20100008690 | IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, INTERMEDIATE TRANSFER BELT, AND METHOD OF EVALUATING THE SAME - It is an object of the invention to provide an image forming apparatus in which the quality of output images is improved by defining the relation between a measured value of an adhesion of toner and a physical property value of an intermediate belt and related technologies thereof. | 01-14-2010 |
20100091663 | RAILWAY-TRAIN COMMUNICATION APPARATUS - A railway-train communication apparatus transmits a first transmission signal flowing through an inter-car network between cars of a railway train and a second transmission signal flowing through an in-car network in each of the cars. A node device includes a first signal converter and a second signal converter that perform a signal conversion between the first transmission signal and the second transmission signal and a layer 2 switch arranged between the first signal converter and the second signal converter for connecting the first signal converter and the second signal converter. A first controller is connected to the layer 2 switch. | 04-15-2010 |
20100097421 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - An image forming apparatus includes an image forming portion to form an image on a sheet using an erasable ink, a sheet supply tray to load the sheet on which the image was formed using the erasable ink, a mark detecting portion to detect a mark indicating that the image formed on the sheet conveyed from the sheet supply tray includes a confidential information, and an overwriting portion to overwrite so as not to make recognizable the image of at least an area including the confidential information out of the image formed on the sheet, in case that the mark is detected by the mark detecting portion. | 04-22-2010 |
20100124442 | DEVELOPING DEVICE, DEVELOPING METHOD, AND IMAGE FORMING APPARATUS - A developing device includes: a container configured to store a developer and have an agitating passage for supplying the developer to a developing roller; a rotatable agitating member configured to carry the developer along the agitating passage while agitating the developer; a discharge port configured to be provided a container wall surface on a side on which the developer is scraped down in the agitating passage and discharge an excess developer involved in the supply of the developer; and a heaping member configured to heap the developer near the discharge port and discharge the developer from the discharge port. | 05-20-2010 |
20100194839 | IMAGE ERASING APPARATUS - An image erasing apparatus includes: a scanner which detects a side of a sheet on which an image is formed using a thermally decolorable coloring agent; a heat roller which provides heat for the sheet having the image formed thereon; and a controller which causes a quantity of heat provided for the sheet from the heat roller when an image forming side detected by the scanner does not face the heat roller to be greater than a quantity of heat provided for the sheet from the heat roller when the image forming side faces the heat roller. | 08-05-2010 |
20100196063 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a first image forming unit configured to form an image on a sheet using a first colorant to be heat-fixed on the sheet; a second image forming unit configured to form an image on the sheet using a second colorant that is erasable by heating; and a fixing device arranged further on a downstream side in a sheet conveying direction than the first image forming unit and further on an upstream side in the sheet conveying direction than the second image forming unit and capable of executing fixing processing for heat-fixing the image, which is formed on the sheet by the first image forming unit, on the sheet and executing erasing processing for heating the sheet, on which the image is formed with the second colorant, to erasing temperature to thereby erase the second colorant on the sheet. | 08-05-2010 |
20100209129 | IMAGE FORMING APPARATUS HAVING FIXING DEVICE THAT RESPONDS TO REQUEST WHEN USING DECOLORABLE INK - An image forming apparatus includes: a first image forming unit which forms a first image on a first recording medium with a first material which is not thermally decolorized; a second image forming unit which forms a second image on a second recording medium with a second material which is thermally decolorized; a fixing unit which is on a common carrying path shared by the first recording medium and the second recording medium and fixes the first image to the first recording medium; and a control unit which controls the fixing unit so that the temperature of the second recording medium passing through the fixing unit becomes lower than a decolorizing temperature of the second material. | 08-19-2010 |
20100271410 | IMAGE FORMING APPARATUS RESPONDING TO REQUEST DURING USE OF ERASABLE INK - An image forming apparatus includes: a first image forming unit configured to form an image with erasable first ink; a second image forming unit configured to share a conveying path with the first image forming unit and form an image with not erasable second ink; a recording unit configured to record a level of use of a recording medium on the recording medium; a detecting unit configured to detect the level of use; and a control unit configured to control the first image forming unit or the second image forming unit according to a detection result of the detecting unit. | 10-28-2010 |
20100271413 | IMAGE FORMING APPARATUS - An image forming apparatus includes: an ink-jet head configured to eject ink to form an image on a sheet; and a controller configured to control an amount of the ink ejected from the ink-jet head and reduce an ejection amount of the ink ejected to a damaged sheet to be smaller than an ejection amount of the ink ejected to an undamaged sheet. | 10-28-2010 |
20100272449 | IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM HAVING IMAGE FORMING PROGRAM RECORDED THEREIN - There is provided an image forming apparatus including: an image data acquiring unit that acquires image data of an image formed on a sheet; an identification information acquiring unit that acquires identification information that identifies the sheet on which the image is formed; an image forming unit that forms an image based on the image data acquired by the image data acquiring unit on the sheet with a decolorable colorant which becomes colorless by a predetermined chemical reaction and that forms an identification information image based on the identification information on the sheet with a non-decolorable colorant which does not become colorless by the chemical reaction by which the decolorable colorant becomes colorless; and a storage control unit that stores the identification information and the image data of the image to be formed on the sheet, on which the identification information image corresponding to the identification information is formed, in a predetermined storage region in a correlated manner. | 10-28-2010 |
20110020038 | DEVELOPING DEVICE - In an embodiment, a reducing plate that dams up a part of a developer scraped up by a blade is provided. The reducing plate suppresses swell of the developer held up by a discharge mixer from fluctuating according to the rotation of the blade. Fluctuation in an excess developer discharged from a discharge port is suppressed and replace a deteriorated carrier in a development container with a new carrier little by little. | 01-27-2011 |
20110069996 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - A technology for controlling the generation of damages of a photoconductive surface caused due to the attachment of a carrier to a photoconductor in an image forming apparatus using a two-component developing agent is provided. An image forming apparatus is configured to include an intermediate transfer body having prescribed elasticity on a transfer surface onto which a toner image is transferred; plural image carriers which transfer a toner image onto the transfer surface and which are disposed along a movement direction of the transfer surface of the intermediate transfer body; plural development sections which form toner images having a different color from each other with respect to the plural image carriers by using a two-component developing agent made of a toner and a carrier; and developing agent replenishment sections which replenish a toner and a carrier in the development sections. | 03-24-2011 |
20110206403 | IMAGE FORMING APPARATUS HAVING FIXING DEVICE THAT RESPONDS TO REQUEST WHEN USING DECOLORABLE INK - An image forming apparatus includes: a first image forming unit which forms a first image on a first recording medium with a first material which is not thermally decolorized; a second image forming unit which forms a second image on a second recording medium with a second material which is thermally decolorized; a fixing unit which is on a common carrying path shared by the first recording medium and the second recording medium and fixes the first image to the first recording medium; and a control unit which controls the fixing unit so that the temperature of the second recording medium passing through the fixing unit becomes lower than a decolorizing temperature of the second material. | 08-25-2011 |
20120040464 | METHOD FOR GENERATING HOMOPLASMIC CELLS FROM HETEROPLASMIC CELLS - It is an object of the present invention to provide a method, which comprises allowing a eukaryotic cell to come into contact with a reactive oxygen species or a chemical species that generates such a reactive oxygen species in the cell, and thereby changing the percentage of mutant mtDNA (mitochondrial genomic DNA) in the cell, and cells obtained by the above-described method. | 02-16-2012 |
20120043272 | COMPOSITE MEMBRANE SUPPORT AND COMPOSITE MEMBRANE USING THE SAME - An object of the present invention is to provide a composite membrane support composed of a dry process thermoplastic resin filaments nonwoven fabric having a significantly high uniformity to enable formation of a porous layer free from strike-through or a defect such as pinhole at the film formation, producing no skin layer defect at the formation of a skin layer, and being excellent in the mechanical strength and dimensional stability at high temperatures, and a high-performance composite membrane and a composite membrane element each using the composite membrane support. The composite membrane support of the present invention is a laminate dry process thermoplastic resin filaments nonwoven fabric comprising three or more layers containing at least a meltblown fiber layer as an interlayer and spunbond fiber layers on both sides of the interlayer, wherein the average value of air flow resistance is from 2.0 to 30.0 kPa·s/m and the ratio between the average value and the standard deviation of air flow resistance is 0.6 or less. | 02-23-2012 |
20120045626 | LAMINATED NONWOVEN FABRIC - An object of the present invention is to provide a nonwoven fabric having high tensile strength and high tear strength. The laminate nonwoven fabric of the present invention is a laminated nonwoven fabric obtained by thermally press-contacting a thermoplastic continuous fiber layer as an outer layer with both surfaces of an interlayer, wherein the ratio (F1/F2) between the average oblateness (F1) of the thermoplastic continuous fiber present on the surface side and the average oblateness (F2) of the thermoplastic continuous fiber present on the inner side is 1.20 or more. | 02-23-2012 |
20120061012 | SUPPORT SUBSTRATE FOR SEPARATION MEMBRANE - A separation membrane support substrate comprising (1) a front layer having at least one layer comprising thermoplastic resin filaments with a single filament diameter of 7-30 μm; (2) a middle layer having at least one layer comprising melt blown fibers with a single fiber diameter of no greater than 5 μm, and a fiber basis weight of at least 1 g/m | 03-15-2012 |
20120107019 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - A technology for controlling the generation of damages of a photoconductive surface caused due to the attachment of a carrier to a photoconductor in an image forming apparatus using a two-component developing agent is provided. An image forming apparatus is configured to include an intermediate transfer body having prescribed elasticity on a transfer surface onto which a toner image is transferred; plural image carriers which transfer a toner image onto the transfer surface and which are disposed along a movement direction of the transfer surface of the intermediate transfer body; plural development sections which form toner images having a different color from each other with respect to the plural image carriers by using a two-component developing agent made of a toner and a carrier; and developing agent replenishment sections which replenish a toner and a carrier in the development sections. | 05-03-2012 |
20120141154 | IMAGE FORMING APPARATUS AND PROCESSING METHOD FOR REUSE OF SHEET - According to one embodiment, an image forming apparatus includes an image forming section, a fixing device, and a control section. The image forming section forms images on a sheet with a recolorable decolorable colorant and an undecolorable colorant. The fixing device heats the sheet to fix the recolorable decolorable colorant and the undecolorable colorant on the sheet. The control section performs temperature control for the fixing device and fixes the recolorable decolorable colorant and the undecolorable colorant on the sheet at temperature higher than decoloring start temperature of the recolorable decolorable colorant to thereby fix the recolorable decolorable colorant on the sheet in a decolored state and fix the undecolorable colorant on the sheet in a colored state. | 06-07-2012 |
20130016375 | DOCUMENT ADMINISTRATION SYSTEM AND DOCUMENT ADMINISTRATION METHODAANM HASHIDUME; HiroshiAACI TokyoAACO JPAAGP HASHIDUME; Hiroshi Tokyo JPAANM OGURA; KazuhiroAACI Kanagawa-kenAACO JPAAGP OGURA; Kazuhiro Kanagawa-ken JPAANM YOSHIDA; MinoruAACI TokyoAACO JPAAGP YOSHIDA; Minoru Tokyo JPAANM SAITO; AkiraAACI TokyoAACO JPAAGP SAITO; Akira Tokyo JPAANM MORIYA; KoichiAACI Kanagawa-kenAACO JPAAGP MORIYA; Koichi Kanagawa-ken JP - A document administration system includes an administration unit, a discrimination information image discriminating unit, and an image forming apparatus which, forms an image on a recording medium in case that the discrimination information image discriminating unit discriminates that the recording medium has the discrimination information image before the image is formed on the recording medium, and forms the image and the discrimination information image based on the discrimination information connected to the image on the recording medium in case that the discrimination information image discriminating unit discriminates that the recording medium does not have the discrimination information image before the image is formed on the recording medium. | 01-17-2013 |
20130016376 | DOCUMENT ADMINISTRATION SYSTEM AND DOCUMENT ADMINISTRATION METHODAANM Hashidume; HiroshiAACI TokyoAACO JPAAGP Hashidume; Hiroshi Tokyo JPAANM Ogura; KazuhiroAACI Kanagawa-kenAACO JPAAGP Ogura; Kazuhiro Kanagawa-ken JPAANM Yoshida; MinoruAACI TokyoAACO JPAAGP Yoshida; Minoru Tokyo JPAANM Saito; AkiraAACI TokyoAACO JPAAGP Saito; Akira Tokyo JPAANM Moriya; KoichiAACI Kanagawa-kenAACO JPAAGP Moriya; Koichi Kanagawa-ken JP - According to one embodiment, a document administration system includes an administration unit to administer administration information of an image formed on a recording medium in connection with discrimination information of the recording medium and a decoloring device. The decoloring device includes a reading unit to read a discrimination information image based on the discrimination information, the discrimination information image being formed on the recording medium with erasable coloring agent, a decoloring unit to decolor the image formed on the recording medium with erasable coloring agent after the reading unit has read the discrimination information image, and a printer to print the discrimination information image in which at least the number of times of decoloring has been updated based on the discrimination information image read by the reading unit on the recording medium after decoloring. | 01-17-2013 |
20130017004 | IMAGE FORMING APPARATUS HAVING FIXING DEVICE THAT RESPONDS TO REQUEST WHEN USING DECOLORABLE INK - An image forming apparatus includes: a first image forming unit which forms a first image on a first recording medium with a first material which is not thermally decolorized; a second image forming unit which forms a second image on a second recording medium with a second material which is thermally decolorized; a fixing unit which is on a common carrying path shared by the first recording medium and the second recording medium and fixes the first image to the first recording medium; and a control unit which controls the fixing unit so that the temperature of the second recording medium passing through the fixing unit becomes lower than a decolorizing temperature of the second material. | 01-17-2013 |
20130029878 | Method for Assaying Histone Methylation Enzyme Activity - Provided are a method for measuring histone methyltransferase activity, a method for screening for compounds that inhibit histone methyltransferase activity, a reagent kit for measuring histone methyltransferase activity, and a kit for screening for compounds that inhibit histone methyltransferase activity. A substrate compound represented by general formula (I): R | 01-31-2013 |
20130045020 | IMAGE FORMING APPARATUS HAVING FIXING DEVICE THAT RESPONDS TO REQUEST WHEN USING DECOLORABLE INK - An image forming apparatus includes: a first image forming unit which forms a first image on a first recording medium with a first material that is not thermally decolorizable; a second image forming unit which forms a second image on a second recording medium with a second material that is thermally decolorizable; a fixing device which is on a common carrying path shared by the first recording medium and the second recording medium and fixes the first image to the first recording medium; and a controller which controls the fixing device so that a temperature of the fixing device is lower than a decolorizing temperature of the second material when the second recording medium reaches the fixing device. | 02-21-2013 |
20130146450 | ION-EXCHANGE MEMBRANE AND PROCESS FOR PRODUCING THE SAME - [Problems] To provide an ion-exchange membrane using an inexpensive nonwoven fabric sheet as a base sheet, featuring excellent properties such as strength, dimensional stability and shape stability, effectively suppressing undulation when it is brought into contact with the electrolyte, and having a low membrane resistance and stable properties. | 06-13-2013 |
20130250025 | IMAGE FORMING APPARATUS RESPONDING TO REQUEST DURING USE OF ERASABLE INK - An image forming apparatus includes: a first image forming unit configured to form an image with erasable first ink; a second image forming unit configured to share a conveying path with the first image forming unit and form an image with not erasable second ink; a recording unit configured to record a level of use of a recording medium on the recording medium; a detecting unit configured to detect the level of use; and a control unit configured to control the first image forming unit or the second image forming unit according to a detection result of the detecting unit. | 09-26-2013 |
20130258379 | IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM HAVING IMAGE FORMING PROGRAM RECORDED THEREIN - There is provided an image forming apparatus including: an image data acquiring unit that acquires image data of an image formed on a sheet; an identification information image reading unit that reads an identification information image formed on the sheet, the identification information image corresponding to identification information that identifies the sheet on which the image is formed; an image forming unit that forms a first image based on the image data acquired by the image data acquiring unit on the sheet with a decolorable colorant which becomes colorless by a predetermined chemical reaction; and a storage control unit that stores the identification information and the image data of the image to be formed on the sheet, on which the identification information image corresponding to the identification information is formed, in a predetermined storage region in a correlated manner. | 10-03-2013 |
20130287416 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a first image forming unit configured to form an image on a sheet using a first colorant to be heat-fixed on the sheet; a second image forming unit configured to form an image on the sheet using a second colorant that is erasable by heating; and a fixing device arranged further on a downstream side in a sheet conveying direction than the first image forming unit and further on an upstream side in the sheet conveying direction than the second image forming unit and capable of executing fixing processing for heat-fixing the image, which is formed on the sheet by the first image forming unit, on the sheet and executing erasing processing for heating the sheet, on which the image is formed with the second colorant, to erasing temperature to thereby erase the second colorant on the sheet. | 10-31-2013 |
20140112693 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a first image forming unit configured to form an image on a sheet using a first colorant to be heat-fixed on the sheet; a second image forming unit configured to form an image on the sheet using a second colorant that is erasable by heating; and a fixing device arranged further on a downstream side in a sheet conveying direction than the first image forming unit and further on an upstream side in the sheet conveying direction than the second image forming unit and capable of executing fixing processing for heat-fixing the image, which is formed on the sheet by the first image forming unit, on the sheet and executing erasing processing for heating the sheet, on which the image is formed with the second colorant, to erasing temperature to thereby erase the second colorant on the sheet. | 04-24-2014 |
20140300933 | IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM HAVING IMAGE FORMING PROGRAM RECORDED THEREIN - There is provided an image forming apparatus including: an image data acquiring unit that acquires image data of an image formed on a sheet; an identification information acquiring unit that acquires identification information that identifies the sheet on which the image is formed; an image forming unit that forms an image based on the image data on the sheet with a decolorable colorant which becomes colorless by a predetermined chemical reaction and that forms an identification information image based on the identification information on the sheet with a non-decolorable colorant which does not become colorless by the chemical reaction; and a storage control unit that stores the identification information and the image data of the image to be formed on the sheet, on which the identification information image corresponding to the identification information is formed, in a predetermined storage region in a correlated manner. | 10-09-2014 |